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| author | Brujo Benavides <[email protected]> | 2016-11-03 12:59:27 -0300 |
|---|---|---|
| committer | Brujo Benavides <[email protected]> | 2016-11-15 09:28:39 -0300 |
| commit | 26b0619b05d36e87849ff249f0e68cf9bfd1d1fd (patch) | |
| tree | d25fc52f4ff8e908aa677dbe6e592543a7f7bb86 | |
| parent | 214aba4561eb09020379cb4d7da7e6fffe2873ab (diff) | |
| download | otp-26b0619b05d36e87849ff249f0e68cf9bfd1d1fd.tar.gz otp-26b0619b05d36e87849ff249f0e68cf9bfd1d1fd.tar.bz2 otp-26b0619b05d36e87849ff249f0e68cf9bfd1d1fd.zip | |
Expand on the behavior of supervisors
Add additional details on the behavior of supervisors when
reaching maximum restart intensity, as stated by @rvirding
at [Medium](https://goo.gl/XhwpSL)
| -rw-r--r-- | lib/stdlib/doc/src/supervisor.xml | 6 | ||||
| -rw-r--r-- | system/doc/design_principles/sup_princ.xml | 4 |
2 files changed, 7 insertions, 3 deletions
diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml index 294196f746..bb06d3645e 100644 --- a/lib/stdlib/doc/src/supervisor.xml +++ b/lib/stdlib/doc/src/supervisor.xml @@ -133,8 +133,10 @@ sup_flags() = #{strategy => strategy(), % optional map. Assuming the values <c>MaxR</c> for <c>intensity</c> and <c>MaxT</c> for <c>period</c>, then, if more than <c>MaxR</c> restarts occur within <c>MaxT</c> seconds, the supervisor - terminates all child processes and then itself. <c>intensity</c> - defaults to <c>1</c> and <c>period</c> defaults to <c>5</c>.</p> + terminates all child processes and then itself. The termination + reason for the supervisor itself in that case will be <c>shutdown</c>. + <c>intensity</c> defaults to <c>1</c> and <c>period</c> defaults to + <c>5</c>.</p> <marker id="child_spec"/> <p>The type definition of a child specification is as follows:</p> diff --git a/system/doc/design_principles/sup_princ.xml b/system/doc/design_principles/sup_princ.xml index 0a24e97950..c24177d842 100644 --- a/system/doc/design_principles/sup_princ.xml +++ b/system/doc/design_principles/sup_princ.xml @@ -163,7 +163,9 @@ SupFlags = #{strategy => Strategy, ...}</code> SupFlags = #{intensity => MaxR, period => MaxT, ...}</code> <p>If more than <c>MaxR</c> number of restarts occur in the last <c>MaxT</c> seconds, the supervisor terminates all the child - processes and then itself.</p> + processes and then itself. + The termination reason for the supervisor itself in that case will be + <c>shutdown</c>.</p> <p>When the supervisor terminates, then the next higher-level supervisor takes some action. It either restarts the terminated supervisor or terminates itself.</p> |